| article html file updated | 6 February 2020 19:23 CET | Update | https://www.mdpi.com/2072-6643/7/6/4542 |
| article html file updated | 6 May 2019 18:23 CEST | Update | N/A |
| article html file updated | 26 March 2019 04:12 CET | Update | N/A |
| article html file updated | 21 August 2015 13:11 CEST | Update | N/A |
| article html file updated | 2 July 2015 10:14 CEST | Update | N/A |
| article xml file uploaded | 2 July 2015 10:14 CEST | Update | https://www.mdpi.com/2072-6643/7/6/4542/xml |
| article html file updated | 12 June 2015 10:24 CEST | Original file | N/A |
| article xml file uploaded | 12 June 2015 10:24 CEST | Original file | N/A |
| article pdf uploaded. | 9 June 2015 15:37 CEST | Updated version of record | https://www.mdpi.com/2072-6643/7/6/4542/pdf |
| article pdf uploaded. | 5 June 2015 09:31 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/6/4542/pdf-vor |
